Portrait of the great Shawnee chief Tecumseh, by Frithjof Schuon. Found in Images of Primordial and Mystic Beauty, p. 161
Christentum – Islam: Ausblicke auf eine esoterisch Ökumene (e-Book)
In this work, Frithjof Schuon compares Christianity and Islam and also looks at confessions within these world religions: Protestantism, Orthodoxy, and Shiism.